Simplified Signs: A Manual Sign-Communication System for Special. Volume 1 - References - Open Book Publishers
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Calaméo - Britchenko Igor. University as a core of e-learning ecosystem/Polishchuk Y., Kornyliuk A., Britchenko I.//14th conference reader, Prague: Center for Higher Education Studies Location: Microsoft, Prague, CZECH REPUBLIC Date: JUN 20-21,